SB Messaging adapter is enhanced to support SAS (Shared Access signature) based authentication, in addition to ACS. With this new improvement, BizTalk Server can now also interact with the on premise edition of Service

Updates to the SFTP adapter

SFTP adapter now supports two-factor authentication and provides an option to specify a temporary folder while uploading/downloading large files. You can also select the Encryption cipher value specific to your target server

Updates to the WCF-WebHttp adapter

WCF-WebHttp adapter now supports sending and receiving JSON messages. BizTalk Server also provides two new pipelines for processing JSON messages. An Encoder and Decoder component is also available for use in custom pipelines

Updates to HL7 Accelerator

Provides capability to include free-text data as part of the message that can be processed by the HL7 pipelines